The invisibility cap

Kashchey the Immortal (Russian: Кащей Бессмертный, romanized: Kashchey bessmertnyy) is a 1945 Soviet fantasy film co-written and directed by Aleksandr Rou. The story and characters are drawn from Slavic folklore, centering on a young man who embarks on a magical adventure to save his beloved from a wicked sorcerer.